Abduqahhor, daryochai kghi, yake az shokhobhoi chapi daryoi Vanj dar Pomiri Garbi. Az piryakhi Abduqahhor ibtido girifta, dar Khirsdara jori meshavad. Daroziash 13 km. Davrai serobiash iyul – avgust, kamobiash oktyabr – mart. Manbaash piryakh va barf. Har sari chand vaqt (1937,1951,1963, 1973) dar natijai ba pesh khazidani piryakhi Khirson va band shudani majroi Abduqahhor dar pasi piryakh kuli kaloni mavsimi paydo meshavad.
Obi in kul gohe az boloi piryakh va gohi digar zeri onro rahna karda jori meshavad va dar in hol sarfi ob dar yak soniya to ba 2000 m3 merasad. Dar chunin mavrid majro sohilhoro kharob megardonad. Bad ohista-ohista majroi daryo ba holati avvalaash barmegardad. Hangomi harakati piryakh solhoi 1963, 1973 andozai kul mutanosiban chunin bud: hajmash – 9,7 va 17,4 mln m3, daroziash 1250 va 1500 m, joyi chuqurtarinash -82-105 m.